Revision 6ed04040 libavcodec/avcodec.h

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libavcodec/avcodec.h
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     */
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    void *internal_buffer;
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#define FF_LAMBDA_SHIFT 7
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#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
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#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
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#define FF_LAMBDA_MAX (256*128-1)
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#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
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    /**
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     * Global quality for codecs which cannot change it per frame.
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     * This should be proportional to MPEG-1/2/4 qscale.

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